org.opendaylight.openflowjava.nx.codec.action.RegLoad2Codec Maven / Gradle / Ivy
/*
* Copyright (c) 2018 SUSE LINUX GmbH. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.openflowjava.nx.codec.action;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import io.netty.buffer.ByteBuf;
import java.util.Collections;
import java.util.Objects;
import org.opendaylight.openflowjava.nx.api.NiciraActionDeserializerKey;
import org.opendaylight.openflowjava.nx.api.NiciraActionSerializerKey;
import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
import org.opendaylight.openflowjava.protocol.api.keys.MatchEntryDeserializerKey;
import org.opendaylight.openflowjava.protocol.api.keys.MatchEntrySerializerKey;
import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.experimenter.id.match.entry.ExperimenterIdCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.ExperimenterClass;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.aug.nx.action.ActionRegLoad2;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.aug.nx.action.ActionRegLoad2Builder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.reg.load2.grouping.NxActionRegLoad2;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.reg.load2.grouping.NxActionRegLoad2Builder;
import org.opendaylight.yangtools.yang.common.Uint32;
public class RegLoad2Codec
extends AbstractActionCodec
implements SerializerRegistryInjector, DeserializerRegistryInjector {
public static final byte SUBTYPE = 33; // NXAST_REG_LOAD2
public static final NiciraActionSerializerKey SERIALIZER_KEY = new NiciraActionSerializerKey(
EncodeConstants.OF_VERSION_1_3, ActionRegLoad2.class);
public static final NiciraActionDeserializerKey DESERIALIZER_KEY = new NiciraActionDeserializerKey(
EncodeConstants.OF_VERSION_1_3, SUBTYPE);
private SerializerRegistry serializerRegistry;
private DeserializerRegistry deserializerRegistry;
@Override
@SuppressFBWarnings("UWF_FIELD_NOT_INITIALIZED_IN_CONSTRUCTOR") // FB doesn't recognize Objects.requireNonNull
public Action deserialize(final ByteBuf message) {
Objects.requireNonNull(deserializerRegistry);
final int startIndex = message.readerIndex();
ActionBuilder actionBuilder = deserializeHeader(message);
int oxmClass = message.getUnsignedShort(message.readerIndex());
int oxmField = message.getUnsignedByte(message.readerIndex() + Short.BYTES) >>> 1;
MatchEntryDeserializerKey key = new MatchEntryDeserializerKey(
EncodeConstants.OF_VERSION_1_3,
oxmClass,
oxmField);
if (oxmClass == EncodeConstants.EXPERIMENTER_VALUE) {
long expId = message.getUnsignedInt(message.readerIndex() + Short.BYTES + Byte.BYTES * 2);
key.setExperimenterId(Uint32.valueOf(expId));
}
OFDeserializer matchDeserializer = deserializerRegistry.getDeserializer(key);
MatchEntry matchEntry = matchDeserializer.deserialize(message);
skipPadding(message, startIndex);
NxActionRegLoad2 nxActionRegLoad2 = new NxActionRegLoad2Builder()
.setMatchEntry(Collections.singletonList(matchEntry))
.build();
ActionRegLoad2 actionRegLoad2 = new ActionRegLoad2Builder().setNxActionRegLoad2(nxActionRegLoad2).build();
return actionBuilder.setActionChoice(actionRegLoad2).build();
}
@Override
@SuppressFBWarnings("UWF_FIELD_NOT_INITIALIZED_IN_CONSTRUCTOR") // FB doesn't recognize Objects.requireNonNull
public void serialize(final Action input, final ByteBuf outBuffer) {
Objects.requireNonNull(serializerRegistry);
final int startIndex = outBuffer.writerIndex();
serializeHeader(EncodeConstants.EMPTY_LENGTH, SUBTYPE, outBuffer);
ActionRegLoad2 actionRegLoad2 = (ActionRegLoad2) input.getActionChoice();
NxActionRegLoad2 nxActionRegLoad2 = actionRegLoad2.getNxActionRegLoad2();
MatchEntry matchEntry = nxActionRegLoad2.getMatchEntry().get(0);
MatchEntrySerializerKey key = new MatchEntrySerializerKey<>(
EncodeConstants.OF_VERSION_1_3,
matchEntry.getOxmClass(),
matchEntry.getOxmMatchField());
if (ExperimenterClass.VALUE.equals(matchEntry.getOxmClass())) {
ExperimenterIdCase experimenterIdCase = (ExperimenterIdCase) matchEntry.getMatchEntryValue();
key.setExperimenterId(experimenterIdCase.getExperimenter().getExperimenter().getValue());
}
OFSerializer serializer = serializerRegistry.getSerializer(key);
serializer.serialize(matchEntry, outBuffer);
writePaddingAndSetLength(outBuffer, startIndex);
}
@Override
public void injectSerializerRegistry(final SerializerRegistry registry) {
serializerRegistry = registry;
}
@Override
public void injectDeserializerRegistry(final DeserializerRegistry registry) {
deserializerRegistry = registry;
}
}